125661338054 has 8 divisors (see below), whose sum is σ = 215419436688. Its totient is φ = 53854859160.

The previous prime is 125661338041. The next prime is 125661338113. The reversal of 125661338054 is 450833166521.

It is a happy number.

125661338054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125661337996 and 125661338014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4487904917 + ... + 4487904944.

It is an arithmetic number, because the mean of its divisors is an integer number (26927429586).

Almost surely, 2^125661338054 is an apocalyptic number.

125661338054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125661338054 is a deficient number, since it is larger than the sum of its proper divisors (89758098634).

125661338054 is an equidigital number, since it uses as much as digits as its factorization.

125661338054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975809870.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 125661338054 in words is "one hundred twenty-five billion, six hundred sixty-one million, three hundred thirty-eight thousand, fifty-four".